// 计算工具类

/**
 * 加法
 * @param arg1
 * @param arg2
 * @returns {number}
 */
export function accAdd(arg1, arg2) {
	let r1, r2, m, n
	try {
		r1 = arg1.toString().split('.')[1].length
	} catch (e) {
		r1 = 0
	}
	try {
		r2 = arg2.toString().split('.')[1].length
	} catch (e) {
		r2 = 0
	}
	m = Math.pow(10, Math.max(r1, r2))
	n = r1 >= r2 ? r1 : r2
	return ((arg1 * m + arg2 * m) / m).toFixed(n)
}

/**
 * 减法
 * @param arg1
 * @param arg2
 * @returns {number}
 */
export function accSub(arg1, arg2) {
	let r1, r2, m, n
	try {
		r1 = arg1.toString().split('.')[1].length
	} catch (e) {
		r1 = 0
	}
	try {
		r2 = arg2.toString().split('.')[1].length
	} catch (e) {
		r2 = 0
	}
	m = Math.pow(10, Math.max(r1, r2))
	n = r1 >= r2 ? r1 : r2
	return ((arg1 * m - arg2 * m) / m).toFixed(n)
}

/**
 * 乘法
 * @param arg1
 * @param arg2
 * @returns {number}
 */
export function accMul(arg1, arg2) {
	let m = 0,
		s1 = arg1.toString(),
		s2 = arg2.toString()
	try {
		m += s1.split('.')[1].length
		// eslint-disable-next-line no-empty
	} catch (e) {}
	try {
		m += s2.split('.')[1].length
		// eslint-disable-next-line no-empty
	} catch (e) {}
	return (Number(s1.replace('.', '')) * Number(s2.replace('.', ''))) / Math.pow(10, m)
}

/**
 * 除法
 * @param arg1
 * @param arg2
 * @returns {*}
 */
export function accDiv(arg1, arg2) {
	let t1 = 0,
		t2 = 0,
		r1,
		r2
	try {
		t1 = arg1.toString().split('.')[1].length
		// eslint-disable-next-line no-empty
	} catch (e) {}
	try {
		t2 = arg2.toString().split('.')[1].length
		// eslint-disable-next-line no-empty
	} catch (e) {}
	r1 = Number(arg1.toString().replace('.', ''))
	r2 = Number(arg2.toString().replace('.', ''))
	return accMul(r1 / r2, Math.pow(10, t2 - t1))
}
